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Exchange Rate Monitoring Bands: Theory and Policy

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  • Corrado, Luisa
  • Miller, Marcus
  • Zhang, Lei

Abstract

Recent empirical research by Mark Taylor and co-authors has found evidence of hybrid dynamics for real exchange rates. While there is a random walk near equilibrium, for real exchange rates some distance from equilibrium there is mean-reversion which increases with the degree of misalignment. An interesting question is whether this non-linear mean-reversion might be policy-induced. John Williamson (1998), for example, has proposed a ‘monitoring band’ in which there is no intervention near equilibrium but there is substantial intervention triggered by exchange rate deviations outside a preset band. In this Paper we develop a theoretical model of such a monitoring band to see whether it can generate patterns of non-linear mean-reversion akin to those reported in empirical research.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 3337.

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Date of creation: Apr 2002
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Handle: RePEc:cpr:ceprdp:3337

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Keywords: monitoring band; near random walk dynamics; non-linear mean-reversion;

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References

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  1. Dumas, Bernard, 1992. "Dynamic Equilibrium and the Real Exchange Rate in a Spatially Separated World," Review of Financial Studies, Society for Financial Studies, vol. 5(2), pages 153-80.
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  3. Bertola, Giuseppe & Svensson, Lars E O, 1993. "Stochastic Devaluation Risk and the Empirical Fit of Target-Zone Models," Review of Economic Studies, Wiley Blackwell, vol. 60(3), pages 689-712, July.
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  13. Hsieh, David A., 1992. "A nonlinear stochastic rational expectations model of exchange rates," Journal of International Money and Finance, Elsevier, vol. 11(3), pages 235-250, June.
  14. Andrés VELASCO, 2000. "Exchange-Rate Policies For Developing Countries: What Have We Learned? What Do We Still Not Know?," G-24 Discussion Papers 5, United Nations Conference on Trade and Development.
  15. Peel, David & Sarno, Lucio & Taylor, Mark P, 2001. "Nonlinear Mean-Reversion in Real Exchange Rates: Towards a Solution to the Purchasing Power Parity Puzzles," CEPR Discussion Papers 2658, C.E.P.R. Discussion Papers.
  16. Williamson, John, 1998. "Crawling Bands or Monitoring Bands: How to Manage Exchange Rates in a World of Capital Mobility," International Finance, Wiley Blackwell, vol. 1(1), pages 59-79, October.
  17. Lothian, James R & Taylor, Mark P, 1996. "Real Exchange Rate Behavior: The Recent Float from the Perspective of the Past Two Centuries," Journal of Political Economy, University of Chicago Press, vol. 104(3), pages 488-509, June.
  18. Kenneth Rogoff, 1996. "The Purchasing Power Parity Puzzle," Journal of Economic Literature, American Economic Association, vol. 34(2), pages 647-668, June.
  19. Lindbecg, H. Soderlind, P., 1992. "Target Zone Models and the Intervention Policy; The Swedish Case," Papers 496, Stockholm - International Economic Studies.
  20. Sarno, Lucio & Taylor, Mark P, 2001. "Official Intervention in the Foreign Exchange Market: Is It Effective, and, If So, How Does It Work?," CEPR Discussion Papers 2690, C.E.P.R. Discussion Papers.
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  23. Miller, Marcus & Weller, Paul, 1990. "Exchange Rate Bands with Price Inertia," CEPR Discussion Papers 421, C.E.P.R. Discussion Papers.
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Citations

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Cited by:
  1. Luisa Corrado & Marcus Miller & Lei Zhang, 2007. "Bulls, bears and excess volatility: can currency intervention help?," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 12(2), pages 261-272.
  2. G. Dufrenot & E. Grimaud & E. Latil & V. Mignon, 2003. "Real exchange rate misalignment in Hungary: a fractionally integrated threshold model," THEMA Working Papers 2003-07, THEMA (THéorie Economique, Modélisation et Applications), Université de Cergy-Pontoise.
  3. Gilles DUFRENOT & Elisabeth GRIMAUD & Eug=E9nie LATIL & Val=E9rie MIGNON, 2003. "Real exhange rate misalignment in Hungary: a fractionally integrated=20 threshold model," Econometrics 0309001, EconWPA.

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